Grain-door.



Y No. 870,050.. PATBNTBD' FEB. 4, 1908.

W. s. DRISKELL.

GRAIN DUUR.

APPLICATION FILED APR.28.1906.

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I ,@Mm/XM m i dem N o. 878.050. PATENTED FEB. 40'," 1908.

W. S. DRISKELL.

GRAIN DOOR.

APPLICATION FILED APR.26. 1906. 2 SHEETS-*SHEET 2.

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WINFIELD S. DRISKELL, OF GRETNA, NEBRASKA.

GRAIN-DOOR.

Specification of Letters Patent.

Patented Feb. 4, 1908.

Application led April 26. 1906. Serial No. 313.832.

To all whom it may concern:

Be it known that I, WINFIELD S. DRIs- KELL, a citizen of the UnitedStates, and a resident of Gretna, in the county of Sarpy and State ofNebraska, have invented certain new and useful Improvements in Grain-Doors, of which the following is a specification.

My invention relates to grain doors for cars, more particularly to doorsof this class which are vertically slidable within fixed guides andswingable inwardly for hanging, when not in use, adjacent the roof ofthe car.

The objects of my invention are to provide, in doors of this class,devices facilitating the handling of'the door in hanging the sameadjacent the car roof, means permitting the introduction of a fillingspout over the Figure 1 is an exterior elevation of a portion of a carhaving the door thereon, Fig. 2

is an interior elevation of the same, Fig. 3 is a transverse sectionalview thereof, Fig. 4 is a detail plan section of one of the slidableretaining plates and bars for the relief section of the door, and Figs.5 and 6 are detail perspective views of the upper and lower hook andpivot bars.

- 4In the drawings 1 represents the side of a car having therein thedoor opening 2, the roofof the car being indicated at 3 and the floor at4. On the inside of the car adjacent the door opening are the verticallyextending guide strips 5 between which is held the grain door bodycomprising an upper and a lower portion, the upper portion consisting ofthe sections 6 and 7 connected by the hinges 8 on the inside of thedoor, and the lower portion consisting of the sections 9 and 10connected by the hinges 11 on the outside of the. door. The guide strips5 extend slightly below the lower edge of the section 9 and abovetheupper edge of the section 6. The length of each of the three uppersections 6, 7 and 9 is greater than the width of the door opening sothatsaid sections when in position extend over they inside of the doorframing. The length of the section 10 is made slightly less than thewidth of the door opening so that said section, which forms the reliefdoor before mentioned, may swing outwardly as indicated in dotted linesin Fig. 3 to permit removal of the grain near the door and relieve thepressure thereof on the door before opening it entirely to unload thecar.

When the car is filled with grain the said section 10 is held inposition by the transversely slidable retaining plates l2 which are heldon the outside of the section at the ends thereof by means of the bolts13 passing through the slots 14 in the plates, as shown. The retainingplates when extended pass inside the door framing, as shown in Fig. 4,and prevent the section from being forced outwardly by the pressure ofthe grain thereon. As a means for actuating the plates I provide at thecenter of the section 10 a vertically extending crank shaft 15 which isjournaled in suitable bearings 16 and 17 at the top and bottom of thesection, respectively. In said shaft near each of the bearings thereofare formed the rectangular loops 18, to each side of which are connectedthe straps 19 extending to and connectedl with the retaining plates 12,as shown. At the center of the crank shaft is a handle 20 by which theshaft may be turned to -draw the connecting straps and retaining platesin toward each other or to push the same outwardly for engagement withthe door framing.

The ends of the connecting straps 19 after attachment to the retainingplates are bent outwardly to form the points 21 which are adapted toenter the recesses 22 in the door framing, as shown in Fig. 4, to holdthe sec tion from displacement inwardly before the car is filled withgrain. On the sections 7 and 9 are straps 23 having similar pointsformed on the ends thereof and adapted to enter recesses in the doorframing, the said straps being connected to the sections by bolts 24passing through slots in the straps, andthe strapsrbeing jointed nearthe center the hooks 25 which are engaged with the eye bolts 26 on thedoor framing. The lower bearing 17 kof the crank shaft is formed fromthe central portion of a metal bar which is extended along the loweredge of the section 10 to stiffen the same and prevent outward bulgingthereof from pressure of the grain thereon.

At each end of the section 7 between the same and the door framing arestraps 27 which are connected by bolts to said section 7 and extendupwardly between thefsection 6 and the door framing as shown in Fig. 3and by the dott-ed lines in Fig. 2. Above the upper edge of the section6 said straps are bent inwardly over the said edge of the section 6 andare thence formed into the round pivot bars 28 which extendlaterally'beyond the guide strips 5 and are then turned upwardly andagain outwardly to form hooks 29 as shown in Fig. 5. Secured to the doorframing are the vertically extending guide rods 31 with which each ofthe bars 28 are connected by means of two rings'32 passing diagonallyaround the pivot bars vand guide rods as shown in Figs. 2 and 3. Thesaid rings form slidable and pivotal connection between the pivot barsand guide rods and,

by the use at each connection of the two rings lpassing diagonallyaround the connected members in opposite planes, the pivot bars at eachside of the door are kept in horizontal alinement and prevented'frombinding or sticking when sliding'the same on the guide rods. Adjacenttheroof of the car and directly above thehooks 29fare secured the doubleloops or stirrups 33 with the-upper loop of which said hooks 29 engagewhen the door portion formed by the sections 6 and-7 is raised to thetop of the guide rods and swung inwardly and up vtoward the roof of thecar on the axis formed by the pivot bars 28. At a suitable position onone of the roof beams is secured a loop34 with which the hook 35,carried on the inside of thel section 7 adjacent the lower edge thereof,may be engaged to support the inner side of the door portion when thesame is raised to horizontal position `adjacent the car roof, as shownbythe dotted lines in Fig. 3. The said'hook 35 also forms aconvenient'handhold for raising the' door portion before swinging thesame to the horizontal position. Secured to the inside of the doorsection 9 near the upper corners thereof are straps 36 which at theirupper ends are'forrned into the pivot bars 37 which extend laterally andare bent upwardly and outwardly as shown in Fig. 6 to form hooks 38similar lto thev hooks 29 on the'pivot bars 28. The pivot bars -37 areconnected with the guide rods by'rings 32 in the'same manner as thepivot bars 28. The operation in` hanging upthe 'lower door portioncomprising the sections 9 elevator, the upper section 6 of the door isswung inwardly as shown by the dotted lines in Fig. 3, when the car isalmost filled' the section being again raised to `positionand secured bymeans of the hooks 25 and eye bolts 26.

In emptying the car the handle' 20 andthe crank connections therefrom tothe retaining plates 12 furnish apowerful'leverage system by which therelief door sectionmay'be easily opened notwithstanding the greatpressure of 4thel grain thereon. In hanging up the door when the car isnot in usefor hauling materials requiringthe use ofthe doors7 the doorportions may be easily handled as each portion comprises onlyaboutone-half of the entire door so that the weight of one portion is notenough to make it difficult to lift. V1t may be noted further that thedoors are always attached to the car and carried in suchposition as 'to'be entirely out of the way kyet readily accessible and easilyplace'd inposition when required for use.

N ow, having described my invention, what Iclaim and desire to secure byLetters Patent'fis: l

1. "1n a vertically slidable and swingable grain door, the combinationwith vertical guide rods and laterally extending pivot bars carried bythe `door and slidably and' pivotally connected with the guide rods, ofstirru s secured adjacent the car froof, and hoo s formed on the ends ofthe pivot bars, said hooks being engageablewith the stirrups byyraisingthe door to thetop of ther guide rods and then swinging the sameon the axes of the pivot'bars. v

2. -In a two-part vertically slidable and swingable grain door, thecombination with vertical .guide'rods and laterally extending pivot barscarried byeachpartI of the door, ofrings passing diagonally around thepivot barsl and guide rods to slidably andpivotally connect the same,double stirrups secured adjacent the car roof, hooks formed on the endsof thepivot-bars, said hooks being engageable with lthe stirrups byraising the door parts and then swinging the same on the scribed mynarne in the presence of two axes o the pvoft hers, Ineens carrieddjawitnesses. cent t e oar roo or su ortin one si e of the upper doorpart, ma? Ineas Carried on WINFI-ELD S' DRISKELL' 5 said upper door partfor supporting one side Witnesses:

of the lower door part. F. E. SIBERT,

In testimony whereof I have hereunto sub- JOHN C. GOODWIN.

